cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A384461 Decimal expansion of Sum_{k>=1} H(k)^4/k^2, where H(k) = A001008(k)/A002805(k) is the k-th harmonic number.

Table of values

n a(n)
2 4
3 5
4 8
5 3
6 3
7 9
8 4
9 1
10 4
11 6
12 5
13 4
14 1
15 6
16 5
17 5
18 7
19 1
20 9
21 2
22 5
23 9
24 5
25 7
26 6
27 5
28 7
29 8
30 9
31 1
32 4
33 2
34 2
35 6
36 3
37 3
38 4
39 8
40 8
41 7
42 9
43 5
44 1
45 1
46 3
47 3
48 1
49 5
50 4
51 8
52 4
53 8
54 4
55 2
56 3
57 2
58 5
59 4
60 9
61 2
62 2
63 2
64 5
65 7
66 1
67 5
68 3
69 9
70 1
71 3
72 5
73 1
74 9
75 5
76 9
77 3
78 6
79 4
80 2
81 8
82 2
83 2
84 3
85 7
86 0
87 0
88 0
89 6
90 7
91 8
92 1
93 2
94 2
95 9
96 8
97 2
98 9
99 9
100 6
101 0
102 6
103 5
104 2
105 7
106 4

List of values

[4, 5, 8, 3, 3, 9, 4, 1, 4, 6, 5, 4, 1, 6, 5, 5, 7, 1, 9, 2, 5, 9, 5, 7, 6, 5, 7, 8, 9, 1, 4, 2, 2, 6, 3, 3, 4, 8, 8, 7, 9, 5, 1, 1, 3, 3, 1, 5, 4, 8, 4, 8, 4, 2, 3, 2, 5, 4, 9, 2, 2, 2, 5, 7, 1, 5, 3, 9, 1, 3, 5, 1, 9, 5, 9, 3, 6, 4, 2, 8, 2, 2, 3, 7, 0, 0, 0, 6, 7, 8, 1, 2, 2, 9, 8, 2, 9, 9, 6, 0, 6, 5, 2, 7, 4]